When generating default Setup.hs use defaultMain

not defaultMainWithHooks defaultUserHooks since the latter is deprecated

Distribution/Simple/SrcDist.hs

@@ -173,7 +173,7 @@ prepareTree pkg_descr verbosity mb_lbi snapshot tmpDir pps date = do
     else if lhsExists then copyFileTo verbosity targetDir "Setup.lhs"
     else writeFile (targetDir </> "Setup.hs") $ unlines [
                 "import Distribution.Simple",
-                "main = defaultMainWithHooks defaultUserHooks"]
+                "main = defaultMain"]
   -- the description file itself
   descFile <- getCurrentDirectory >>= findPackageDesc verbosity
   let targetDescFile = targetDir </> descFile